Product Overview: A lightweight sport oriented semi-rim, with casual looks. The Chakra’s got your back—from big days in the city, to the race track, to the outback. Features: Lens Tech: 100% UV protection (UVA, UVB, UVC + harmful light to 400nm) Hydrophobic Coating Impact Resistant Optically Correct Scratch-Resistant Coating Frame Technology: Made from TR90 (Ultra Flexible. Ultra Durable, Ultra Lightweight) Hydrophilic (Non-Slip) Nose Pads and Temple Tips Fit: Medium Base Curve: 6C Weight: 21g